Re: [Amps] Direct rectification of AC mains to derive the amp VDD supply

[Bill Turner <dezrat1242@yahoo.com>]

ORIGINAL MESSAGE:          (may be snipped)

On Mon, 16 Sep 2013 13:13:23 +0300, Alex wrote:

>I'm just planning one of these right now: 2 ARF1501 in push pull. The nice
>thing is that the output impedance at 300V is quite close to 50 ohms! So,
>all you need there is a 1 to 1 balun.

REPLY:

Another nice coincidence is that a 50 ohm dummy load can be used to test the
power supply. Remember of course that both sides of the coax and dummy load
are hot with respect to ground. And watch the power rating of the dummy load
73, Bill W6WRT
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